JP2012249070A5

JP2012249070A5 -

Info

Publication number: JP2012249070A5
Application number: JP2011119078A
Authority: JP
Filing date: 2011-05-27
Publication date: 2014-05-22
Anticipated expiration: 2031-05-27

Description

本発明に係る撮像装置は、異なる複数視点からの撮影を行う複数の撮像手段と、前記複数の撮像手段によって撮像された画像を合成することによって得られる合成画像においてフォーカスされる被写体への距離に基づいて、前記被写体に対する超解像可能性が増えるように、前記複数の撮像手段に対する撮像パラメータを調整する調整手段とを備えたことを特徴とする。
The imaging apparatus according to the present invention is configured to set a distance to a subject to be focused in a composite image obtained by combining a plurality of imaging units that capture images from a plurality of different viewpoints and images captured by the plurality of imaging units. And adjusting means for adjusting imaging parameters for the plurality of imaging means so as to increase the possibility of super-resolution on the subject.

Claims

A plurality of imaging means for taking pictures from different viewpoints;
Based on the distance to the focused subject in the composite image obtained by synthesizing the images captured by the plurality of imaging units, the super-resolution possibility for the plurality of imaging units is increased. An image pickup apparatus comprising: an adjustment unit that adjusts an image pickup parameter.

The imaging parameter includes at least one of a photographing focus distance of the imaging unit, a distance between sensor lenses, a focal length of an optical lens, a base line length, a sensor pixel pitch, a sensor position, an optical lens position, a sensor resolution, and a lens MTF. The imaging apparatus according to claim 1, comprising any one of them.

Extraction means for extracting an important subject from the image captured by the imaging means;
Calculating means for calculating the super-resolution possibility for the extracted important subject,
The imaging apparatus according to claim 1, wherein the adjustment unit adjusts the imaging parameter so that the super-resolution possibility for the important subject is increased.

The imaging apparatus according to claim 3, wherein the extracting unit extracts an important subject by recognizing a human face from an image captured by the imaging unit.

The imaging apparatus according to claim 3, wherein the extraction unit extracts an important subject from an image captured by the imaging unit according to a user's selection.

The imaging apparatus according to claim 1, wherein the super-resolution possibility is a value indicating a pixel shift amount between images taken by the imaging unit.

The imaging apparatus according to claim 1, wherein the super-resolution possibility is a value indicating a degree of a noise amplification amount generated when super-resolution processing is performed.

The imaging apparatus according to claim 1, wherein the super-resolution possibility is a value having a correlation with a sensor resolution.

The imaging apparatus according to claim 1, wherein the super-resolution possibility is a value correlated with an MTF of a lens.

The imaging apparatus according to claim 1, further comprising display means for displaying a warning to a user according to the super-resolution possibility.

The imaging apparatus according to claim 10, wherein the warning display is an emphasis display of an important subject whose super-resolution possibility falls below a predetermined threshold value.

12. The imaging according to claim 11, wherein the warning display is a text display indicating that there is an important subject that cannot be super-resolved with respect to an important subject whose super-resolution possibility is lower than a predetermined threshold value. apparatus.

13. The adjustment parameter according to claim 1, wherein the adjustment unit adjusts the imaging parameter so that a fractional part of a pixel shift amount between images captured by the plurality of imaging units is close to 0.5. The imaging device according to any one of the above.

The adjusting unit adjusts the imaging parameter based on a distance to the subject obtained using the first image group captured by the plurality of imaging units;
The plurality of imaging means pick up a second image group using the imaging parameters adjusted by the adjusting means based on the distance obtained using the first image group. The imaging device according to any one of claims 1 to 13.

The imaging apparatus according to claim 14, further comprising a combining unit that combines the second image group to acquire the combined image.

A plurality of imaging steps for performing imaging from different viewpoints by a plurality of imaging means;
Based on the distance to the subject to be focused in the synthesized image obtained by synthesizing the images taken by the plurality of imaging steps, the plurality of imaging means are increased so that the possibility of super-resolution with respect to the subject increases. An imaging method comprising: an adjustment step of adjusting an imaging parameter.

The program for functioning a computer as an imaging device as described in any one of Claim 1 to 15.